CN101224364A - Filter unit and filter unit panel - Google Patents
Filter unit and filter unit panel Download PDFInfo
- Publication number
- CN101224364A CN101224364A CNA2007101818633A CN200710181863A CN101224364A CN 101224364 A CN101224364 A CN 101224364A CN A2007101818633 A CNA2007101818633 A CN A2007101818633A CN 200710181863 A CN200710181863 A CN 200710181863A CN 101224364 A CN101224364 A CN 101224364A
- Authority
- CN
- China
- Prior art keywords
- filter unit
- framework
- face
- filter
- filtration material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0013—Modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/02—Non-permanent measures for connecting different parts of the filter
- B01D2265/024—Mounting aids
- B01D2265/026—Mounting aids with means for avoiding false mounting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/04—Permanent measures for connecting different parts of the filter, e.g. welding, glueing or moulding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/31—Filter frame
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtering Materials (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present invention provides filter units that, when joined together, allow joining portions thereof to be fixed together satisfactorily and can prevent air from leaking at the joining portions. A filter unit (100) includes a filter medium (1) that has been pleated and a frame (2) that supports the circumference of the filter medium. The frame (2) has a protruding part (3) on at least one face selected from an upper face and a lower face thereof, with the protruding part being formed by allowing a part of the at least one face to protrude. The upper face is a surface of the frame that faces the upstream side relative to the flow of air that passes through the filter medium, and the lower face is a surface of the frame that faces the downstream side relative to the flow of air.
Description
Technical field
The present invention is chiefly directed to the filter unit panel that uses in the air inlet of clean room, air-conditioning equipment, gas turbine, steam turbine etc., and the filter unit that constitutes this panel.
Background technology
In the clean room, the air inlet place of air-conditioning equipment, gas turbine, steam turbine etc. is provided with air filter.In this air filter, use filter unit panel, this filter unit panel is connected in the mode that its outer peripheral face joins each other by a plurality of filter units that will have filter filtration material and the framework that supports this filter filtration material, has constituted an air filter.
Example as filter unit, a kind of filter unit is disclosed in TOHKEMY 2005-177641 communique, it possesses filter filtration material that comprises polytetrafluoroethylporous porous membrane and gas permeability fibrous material and the carriage that comprises resin, it is characterized in that, by imbedding the circumference of described filter filtration material in the described carriage and in described circumference, permeating described resin, make described filter filtration material and described carriage integrated.Also disclose a kind of filter unit aggregate, it is provided with fitting portion in above-mentioned filter unit, makes to be connected to each other by chimeric methods such as coupling type, slidingtypes to form.
But, just with as the chimeric method of the coupling type put down in writing in the patent documentation 1, slidingtype etc., can have at connecting portion can slidable direction.Therefore, may produce skew, have the fixing inadequate problem of filter unit at connecting portion.In addition, be difficult to tightly, seamlessly carry out chimeric at connecting portion, have the gap slightly, and air is leaked by the gap that connecting portion produces.Air also makes airborne dust leak from the leakage of this connecting portion, when using in requiring high dustproof clean room, especially becomes problem.
Summary of the invention
The objective of the invention is to, a kind of filter unit is provided, it can firmly fix connecting portion when connecting, and can suppress the leakage of air at connecting portion.The present invention also aims to, a kind of filter unit panel is provided, it firmly fixes connecting portion, has suppressed the leakage of air at connecting portion.
The present invention is a kind of filter unit, it has filter filtration material and the described filter filtration material of support framework all around that rivel is organized into, it is characterized in that, be upper surface with face towards the described framework of the upstream side of the air-flow by described filter filtration material, when being lower surface with face towards the described framework in the downstream of described air-flow, on described framework at least one face in being selected from described upper surface and described lower surface, has the outstanding protuberance of a part that makes this face.
In addition, the present invention is a kind of filter unit panel, it is to have rivel filter filtration material that is organized into and the filter unit that supports described filter filtration material framework all around, the mode of joining each other with the outer peripheral face of described framework is a plurality of to be formed by connecting, be upper surface with face towards the described framework of the upstream side of the air-flow by described filter filtration material, when being lower surface with face towards the described framework in the downstream of described air-flow, on described framework at least one face in being selected from described upper surface and described lower surface, deposited with the face of the framework of adjacency.
According to filter unit of the present invention, when being connected to become filter unit panel, if deposited described protuberance, then connecting portion just can be firmly fixed.In addition, also can be easy to prevent the leakage of air at connecting portion.In addition, filter unit panel of the present invention is to firmly fix connecting portion, and suppresses the filter unit panel of air in the leakage of connecting portion.
Description of drawings
Fig. 1 is the perspective view of an embodiment of filter unit of the present invention;
Fig. 2 is the sectional view at the X-X line of the filter unit of Fig. 1;
Fig. 3 is the sectional view at the Y-Y line of the filter unit of Fig. 1;
Sectional view when Fig. 4 is the outer peripheral face of chimeric two filter units in an embodiment of filter unit of the present invention;
Fig. 5 is a sectional view during deposited two filter units in an embodiment of filter unit of the present invention;
Fig. 6 is the perspective view of an embodiment that connects the filter unit panel of the present invention of four filter units.
Label declaration
1 filter filtration material
2 frameworks
3,3a, 3b protuberance (deposited fin)
4,4 ' fitting portion
5,5 ' fitting portion
6 melt-coating parts
100,200 filter units
The specific embodiment
The present invention is a kind of filter unit, it has filter filtration material and the described filter filtration material of support framework all around that rivel is organized into, it is characterized in that, be upper surface with face towards the described framework of the upstream side of the air-flow by described filter filtration material, when being lower surface with face towards the described framework in the downstream of described air-flow, on described framework at least one face in being selected from described upper surface and described lower surface, has the outstanding protuberance of a part that makes this face.
The kind that is used for filter filtration material of the present invention is not particularly limited, and can use known filter filtration material and have filter filtration material with its equal above anti-dust performance.As filter filtration material, can enumerate glass filter filter material, non-woven electret cloth filter filtration material, polytetrafluoroethylene (PTFE) perforated membrane filter material etc., but, preferably use PTFE perforated membrane filter material from clean material and the high angle of dust collecting performance that can not be dirt.This PTFE perforated membrane filter material preferably comprises PTFE perforated membrane and gas permeability fibrous material.
As the PTFE perforated membrane, can use the PTFE perforated membrane that is used for known filter filtration material, or have the material with its equal above filtering feature, for example, can as described belowly make.In addition, also can use commercially available material.
At first, will in the PTFE fine powder, add the pasty mixture preformed of aqueous lubricant.Aqueous lubricant can wetting PTFE fine powder the surface, if, then have no particular limits, for example, can use the hydrocarbon of atoleine, naphtha, white oil etc. by extracting or heating can be removed.Relative PTFE fine powder 100 weight portions of the addition of aqueous lubricant, about 5～50 weight part ratios are more suitable.Above-mentioned preformed is not extruded at aqueous lubricant under the pressure of degree and carries out.
Then, extrude or rolling, preform is configured as sheet, these PTFE plates are stretched along the single shaft direction at least, obtain the PTFE perforated membrane by pasty state.In addition, the stretching of PTFE plates is preferably carried out after removing aqueous lubricant.Stretching ratio is not had special provision, get final product according to the pressure loss and suitable setting of arresting efficiency.When consider stretching uneven and during disrumpent feelings grade the when stretching, preferably area stretching ratio (product of the stretching ratio of single shaft direction and the stretching ratio of perpendicular direction) is 50～900 times.
With regard to the PTFE perforated membrane, preferred average pore size is 0.01～5 μ m, and preferred average fiber directly is 0.01～0.3 μ m, and the pressure loss when preferably with the flow velocity of 5.3cm/ second air being seen through is 10～295Pa.
The gas permeability fibrous material has the function as reinforcement material.And himself also has the dust catching function, also plays the effect of prefilter sometimes.In this case, owing to the obstruction that has prevented at PTFE perforated membrane place, the rising of the pressure loss that can suppress to cause thus, therefore, prolong the service life of filter filtration material.From capturing theory, improve more in the fiber footpath of the gas permeability fibrous material capture performance of fine dust more.Therefore, in use, preferably set the thin poromeric material in fiber footpath on the face of upstream side becoming.
As the gas permeability fibrous material, suitable use has than the PTFE perforated membrane material of high strength and gas permeability more, and its material, form etc. are not particularly limited.As the example of form, can enumerate felt, non-weaving cloth for example arranged, weave cotton cloth, screen cloth (mesh-shape sheet), other porous material etc.From the viewpoint of intensity, catching, flexibility and operability, preferred non-weaving cloth.As examples of material, for example for example can enumerate polyolefin, polyethylene (PE), polypropylene (PP) etc.), polyester (for example, PET (PET) etc.), polyamide (fatty polyamide and aromatic polyamide) and these composite.Form at the gas permeability fibrous material is under the situation of non-weaving cloth, preferably forms the non-weaving cloth that fiber that core sheath that core, low melting point material form sheath portion constructs constitutes by high melting point material.
PTFE perforated membrane normally average pore size is about the perforated membrane of 0.01～5 μ m so its display white.The grade that the gas permeability fibrous material is general also is a white, but also can these are painted.Be not particularly limited as method of colouring, can enumerate the method for sneaking into pigment, by the method for dyeing, by method of printing etc.In addition, be not particularly limited, get final product according to suitable selection of purposes about painted color.
Sneak into the situation of pigment in the gas permeability fibrous material, being generally the resin that makes raw material becomes the state of dissolving and mixes.In addition, in the PTFE perforated membrane, sneak into the situation of pigment, can in the PTFE fine powder, add pigment and aqueous lubricant, become the mixture of pasty state.In addition, in order to show other function such as electric conductivity, also can sneak into multiple material.Situation by dyestuff dyes both can be immersed in PTFE perforated membrane or gas permeability fibrous material in the dyestuff respectively, and also the filter filtration material that PTFE perforated membrane and gas permeability fibrous material lamination can be formed is immersed in the dyestuff.The situation of printing is generally intaglio printing etc.In addition, the gas permeability fibrous material when painted, also can be added antiseptic, waterproofing agent etc.
By above-mentioned PTFE perforated membrane and gas permeability fibrous material are carried out lamination, can make PTFE perforated membrane filter material, but its laminating method is not particularly limited.Can be just that these are overlapping simply, also can carry out lamination by methods such as adhesive phase pressing plate, thermosphere pressing plates.For example, undertaken by the thermosphere pressing plate under the situation of lamination, can the part of gas permeability fibrous materials such as non-weaving cloth be dissolved, carry out adhesive lamination by heating.In addition, also can as hot melt, carry out adhesive lamination by melting stick.
The PTFE perforated membrane and the gas permeability fibrous material that are used for lamination can use a slice respectively, also can use more than two.Under situation about using more than two, these can be same kinds, also can be different kinds.
The filter filtration material that uses among the present invention in order to increase breathing area and to capture area, is the filter filtration material that the rivel arrangement forms.That is, filter filtration material has the rivel shape of alternate repetition mountain folding and paddy folding.About peak height, the open angle of rivel, can be identical with known filter filtration material with rivel shape.
There is no particular limitation for the thickness of filter filtration material, but need can keep the thickness of shape when rivel is put in order, therefore preferred 0.05～1mm.The pressure loss of filter filtration material, when second air being seen through with linear velocity 5.3cm/, preferred 20～300Pa.More preferably 50～200Pa.In addition, preferable particle size is the arresting efficiency on-line velocity 5.3cm/ of 0.3～0.5 μ m particle during second, is more than 99%.More preferably the arresting efficiency on-line velocity 5.3cm/ of particle diameter 0.3～0.5 μ m particle is more than 99.97% during second.The arresting efficiency on-line velocity 5.3cm/ that further preferable particle size is 0.1～0.2 μ m particle is more than 99.9995% during second.
Framework is by being connected encirclement filter filtration material and supporting with the end of filter filtration material around filter filtration material.As the raw material of this framework, use and in protuberance described later, can implement deposited raw material at least, be generally resin.Example as the resin that is used for framework, can enumerate for example polyolefin resin, polyamide-based resin, polyurethanes resin, polyester resin, polystyrene resins (for example, acrylonitrile-butadiene-styrene (ABS) (ABS) resin etc.), polycarbonate resin etc.These resins can use separately, also can share more than two kinds.The shrinkage factor that is used for the resin of framework, preferred below 20/1000, more preferably below 10/1000, further preferred below 5/1000.
Framework is a purpose with function or the additional new function that improves these resins, also can comprise other material.For example, can comprise: to improve fillers such as glass fibre that intensity is purpose, carbon fiber; To be colored as the pigment of purpose; It with additional antibiotic property the antiseptic etc. of purpose.
Filter unit of the present invention, its maximum is characterised in that, be upper surface with face towards the above-mentioned framework of the upstream side of the air-flow by filter filtration material, when being lower surface with face towards the above-mentioned framework in the downstream of said flow, on above-mentioned framework at least one face in being selected from above-mentioned upper surface and above-mentioned lower surface, be provided with the outstanding protuberance of a part that makes this face.When two filter units of the present invention were placed side by side, contiguous between the protuberance of filter unit, preferably the depth direction at filter unit was outstanding under state of contact.If deposited between the protuberance that will give prominence to, the tie point of connecting portion stops up, and is sealed, can suppress leakage of air, can also firmly fix filter unit.
More reliable for the sealing that makes fixing and connecting portion, preferably upper surface and two faces of lower surface in framework all are provided with protuberance.Therefore preferably when 2 filter units of the present invention were placed side by side, the distance between protuberance was near more deposited easy more, was forming protuberance with comparing in interior week of the framework position nearer apart from periphery, more preferably had the face that the outer peripheral face of framework stretches and forms.In addition, leak for the fixing and inhibition of connecting portion, the connecting portion integral body when preferably connecting filter unit is carried out deposited, therefore, from the direction vertical with the face of framework with this protuberance, the mode that preferred protuberance is set to surround filter filtration material.The size of protuberance is as long as can guarantee size for deposited abundant amount of resin.
In the filter unit of the present invention, form the fitting portion that is made of concave shape and/or convex form in four sides that constitute the framework periphery, in two sides respect to one another, the fitting portion of a side preferably has the shape chimeric with the fitting portion of another side.Like this, if constitute the concaveconvex shape of fitting portion, the connection of filter unit just is easy to.In addition, durability and the intensity for the blast that continues on the vertical direction of the upper surface of filter filtration material and framework improves.
At this moment, constitute the cross sectional shape of fitting portion of a side of framework periphery, preferably identical with the cross sectional shape of fitting portion of a side in two sides of this side adjacency.Like this,, a plurality of filter units be can be connected and fixed continuously, the shape of filter unit panel and the design freedom of area improved if the concaveconvex shape of design fitting portion is configured by cooperating direction.
The size of filter unit, size that can complement filter device unit panel is suitablely determined.For example, in existing filter unit panel, be generally the size of 610 * 610mm.Therefore, for example, also the size of filter unit can be made 305 * 305mm, become the size of 610 * 610mm to connect four filter units.Thickness (depth) to filter unit is not particularly limited, but from saving the viewpoint in space, below the preferred 200mm.
About filter unit of the present invention, enumerate an embodiment as an example, be specifically described with figure.
Fig. 1 is the perspective view of an embodiment (filter unit 100) of filter unit of the present invention.In filter unit 100, filter filtration material 1 is connected with framework 2 around it, and is supported by framework 2.At the upper surface of framework, have the outstanding protuberance (deposited fin) 3 of a part that makes this face, in the present embodiment, also be provided with this deposited fin 3 at the lower surface of framework.Outer peripheral face in framework 2 is provided with fitting portion 4 and 5 ', though do not indicate among Fig. 1, this external face relative with the outer peripheral face that is provided with fitting portion 4 is provided with fitting portion 4 ', at the face relative with the outer peripheral face that is provided with fitting portion 5 ' fitting portion 5 is set.For deposited fin 3 and these fitting portion more specifically are described, Fig. 2 and Fig. 3 represent the cross section of filter unit 100.
Fig. 2 is the sectional view at the X-X line, promptly is the sectional view along the flow direction of the air-flow direction vertical with the folding line of filter filtration material rivel, that pass through filter filtration material.Upper surface and lower surface in framework have deposited fin 3.In the present embodiment, deposited fin 3 is arranged on the part by most peripheral of the upper surface of framework 2 and lower surface, and has the face that the outer peripheral face of framework of making 2 stretches and forms.In addition, the outer peripheral face in framework 2 is provided with fitting portion 4 and 4 '.Become on the contrary with concave-convex design in 4 ' at fitting portion 4, have chimeric each other shape.
Fig. 3 is the sectional view at the Y-Y line, promptly is the sectional view along the flow direction of the air-flow direction parallel with the folding line of filter filtration material rivel, that pass through filter filtration material.Be provided with deposited fin 3 at the upper surface of framework 2 and the part by most peripheral of lower surface.In the present embodiment, from the direction vertical with upper surface and lower surface, the deposited fin 3 of the upper surface of framework 2 and lower surface, the mode of being arranged to surround filter filtration material 1 respectively.Outer peripheral face in framework 2 is provided with chimeric each other fitting portion 5 and 5 '.The cross sectional shape of fitting portion 5 is identical with the cross sectional shape of the fitting portion of Fig. 24, and the cross sectional shape of fitting portion 5 ' is identical with the cross sectional shape of the fitting portion 4 ' of Fig. 2.Therefore, it is identical with the cross sectional shape of the fitting portion of a side in two sides of this side to constitute the cross sectional shape of fitting portion of a side of periphery of framework 2.
Fig. 4 makes the sectional view that has when chimeric with the filter unit 200 of filter unit 100 identical formations and filter unit 100.Filter unit 100 and filter unit 200 are chimeric at fitting portion.The deposited fin 3a of filter unit 100 and the deposited fin 3b of filter unit 200 are outstanding with the state that contacts with each other.Should deposited fin 3a and 3b deposited after as shown in Figure 5, solidify by deposited fin 3a and the softening back of 3b, become the melt-coating part 6 of one, be fixed between the filter unit, connecting portion is sealed.
In addition, the concaveconvex shape of framework fitting portion is not limited to the shape of Fig. 1～5, also can be for a side only have convex form, and the opposing party only has the shape of concave shape.
Filter unit of the present invention, also can be on filter filtration material, connect the framework with raised part and fitting portion as required and make, for seamless connectivity filter filtration material and framework, preferably shaping makes filter filtration material and framework is integrated makes by embedding.Embed to be shaped, can in the mould of resin stream, to load filter filtration material, penetrate the resin (comprising filler etc. as required) that framework uses and carry out to it with corresponding above-mentioned framework shape.The condition that concrete embedding is shaped is as long as meet known condition.
Make the outer peripheral face mode connected to one another of framework, dispose the filter unit of a plurality of above-mentioned explanations, if with deposited by making between the raised part, filter unit is connected to each other, and then can obtain filter unit panel of the present invention.
This filter unit panel, particularly, for having the filter filtration material that rivel is organized into and support the filter unit of the framework around the described filter filtration material, so that the mode that the outer peripheral face of above-mentioned framework joins each other, a plurality of filter unit panels that are formed by connecting.And for be upper surface with face towards the above-mentioned framework of the upstream side of the air-flow by above-mentioned filter filtration material, when being lower surface with face towards the above-mentioned framework in the downstream of said flow, on above-mentioned framework at least one face in being selected from described upper surface and described lower surface, with the deposited filter unit panel of face of the framework of adjacency.
Fig. 6 represents an embodiment of filter unit panel of the present invention.Fig. 6 is the figure of 100 4 filter unit panels that are formed by connecting of filter unit of Fig. 1.Filter unit 100 has fitting portion 4,4 ', 5 and 5 ' in the side, fitting portion 4 and fitting portion 4 ' and fitting portion 5 and fitting portion 5 ' be by chimeric, and the mode so that the outer peripheral face of framework joins each other is connected with the filter unit 100 of adjacency.At connecting portion, deposited fin 3 is formed melt-coating part 6 by deposited.At the peripheral part of filter unit panel, residual deposited fin 3.Form melt-coating part 6 at all connecting portions.With the connecting portion sealing, therefore, can not cause that air leaks from connecting portion by this melt-coating part 6.In addition, firmly fixed by these melt-coating part 6 filter units.
Deposited between the protuberance of the filter unit that will connect, be by two protuberances being melted, it is merged, solidifying thereafter and carry out.Melting more than being heated to the resin melting point of protuberance of protuberance carried out, heating of as heating means, can enumerate heating that the heating for example undertaken by the frictional heat of ultrasonic irradiation, the thermal source by heater etc. carry out, being undertaken by laser instrument etc.
There is no particular limitation for the size of filter unit panel, as long as mate with the space size that filter unit panel is set, the suitable setting gets final product.In addition, in existing filter unit panel, be generally the size of 610 * 610mm.At this, for example, also can use the filter unit of 4 305 * 305mm, become 610 * 610mm to connect filter unit.Depth to filter unit panel also is not particularly limited, but from saving the viewpoint in space, below the preferred 200mm.
The pressure loss of filter unit panel is not particularly limited, but considers from the energy efficiency aspect, and the flow of preferred air is at 10m
3/ minute situation under be below the 300Pa.To this,, determine that the filter filtration material area gets final product according to the filter filtration material of the selected suitable pressure loss of the design of filter unit.In addition, the arresting efficiency of filter unit panel also is that the filter filtration material according to the selected suitable arresting efficiency of the design of filter unit gets final product, but the particle of preferable particle size 0.3～0.5 μ m when dividing through filter filtration material with linear velocity 1.2cm/, is more than 99%.The more preferably particle of particle diameter 0.3～0.5 μ m is dividing with linear velocity 1.2cm/ when seeing through filter filtration material, and the arresting efficiency of filter unit panel is more than 99.97%.The particle of further preferable particle size 0.1～0.2 μ m, when dividing through filter filtration material with linear velocity 1.2cm/, the arresting efficiency of filter unit panel is more than 99.9995%.
Filter unit panel of the present invention even wash in water, can not make performance reduce yet, and therefore can utilize washings such as ultrasonic wave.
The filter unit panel of the present invention of Gou Chenging as mentioned above, its connecting portion is firmly fixed, and having suppressed the leakage of air at connecting portion, it is applicable to the air filter that uses in the air inlet of clean room, air-conditioning equipment, gas turbine, steam turbine etc.
Embodiment
Below, embodiment illustrates in greater detail the present invention for example, but the present invention is not limited to embodiment.
Embodiment 1
It with the area stretching ratio 600 times PTFE perforated membrane, be clipped in 2 PET/PE core sheath non-weaving cloths, after stacked, by a pair of Kun that is heated to 180 ℃ is passed through, carry out the thermosphere pressing plate, obtain three layers filter filtration material (thickness: 0.26mm, the pressure loss: 45Pa, arresting efficiency: 99.3%) of PTFE perforated membrane and gas permeability fibrous material.
With the filter filtration material that obtains, carry out the rivel arrangement with peak height 27mm, the peak of rivel cuts off the size that becomes 95 peaks.On the other hand, prepare as bed die, it can hold filter filtration material, have with the cross sectional shape of the same design shown in Fig. 2 and 3, have to be used to form and have the stream of resin that depth in length and breadth is the framework of 195mm * 295mm * 30mm size in the external diameter.Filter filtration material is installed in this mould, utilizes emission forming machine to penetrate ABS resin, outside dimension is 195mm * 295mm * 30mm, obtains the filter unit that framework has the concaveconvex shape of protuberance shown in Fig. 2 and 3 (deposited fin) and fitting portion.Make 6 of this filter units.
In long 2 * wide 3 modes, make the fitting portion of framework outer peripheral face chimeric these six filter units.In this stage, filter unit is slidably state.Then, implement ultrasonic wave at deposited fin, undertaken by the frictional heat that produces deposited, thereby be made into filter unit panel.Deposited is to carry out on the two sides of panel.Deposited by this, each filter unit is fixed fully, can not be offset.In addition, there is not tie point, the gap that does not have air to pass through fully at connecting portion.
Industrial applicibility
By the filter unit panel that filter unit of the present invention consists of, be applicable in the clean room, The air filter that uses in the air inlet of air-conditioning equipment, gas turbine, steam turbine etc.
Claims (9)
1. filter unit, it has the filter filtration material that rivel is organized into and supports framework around the described filter filtration material, it is characterized in that, be upper surface with face, when being lower surface, having the outstanding protuberance of a part that makes this face on described framework at least one face in being selected from described upper surface and described lower surface with face towards the described framework in the downstream of described air-flow towards the described framework of the upstream side of the air-flow by described filter filtration material.
2. filter unit as claimed in claim 1, it forms the fitting portion that is made of concave shape and/or convex form on four sides that constitute described framework periphery, in two sides respect to one another, the fitting portion of a side has the shape chimeric with the fitting portion of another side.
3. filter unit as claimed in claim 2 wherein, constitutes the cross sectional shape of fitting portion of a side of framework periphery, and is identical with the cross sectional shape of the fitting portion of a side in two sides of this side.
4. as each described filter unit in the claim 1～3, wherein, described protuberance is forming with the position of comparing more close periphery interior week of described framework.
5. filter unit as claimed in claim 4, wherein, described protuberance has the face that the outer peripheral face of the described framework that stretches forms.
6. as each described filter unit in the claim 1～3, wherein, from the direction vertical with the face of the described framework with described protuberance, described protuberance is provided with in the mode that surrounds described filter filtration material.
7. as each described filter unit in the claim 1～3, wherein, described filter filtration material comprises polytetrafluoroethylporous porous membrane and gas permeability fibrous material.
8. filter unit panel, a plurality of configurations of mode that it is joined with the outer peripheral face of framework each other by each described filter unit in the claim 1～3, and by with deposited between the described protuberance, filter unit is connected to each other forms.
9. filter unit panel, its a plurality of being formed by connecting of mode for joining each other with the outer peripheral face of described framework by the filter unit that will have the filter filtration material that rivel is organized into and support the framework around the described filter filtration material, wherein, be upper surface with face towards the described framework of the upstream side of the air-flow by described filter filtration material, when being lower surface with face towards the described framework in the downstream of described air-flow, on described framework at least one face in being selected from described upper surface and described lower surface, deposited with the face of the framework of adjacency.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006285548 | 2006-10-19 | ||
| JP2006-285548 | 2006-10-19 | ||
| JP2006285548 | 2006-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101224364A true CN101224364A (en) | 2008-07-23 |
| CN101224364B CN101224364B (en) | 2012-07-18 |
Family
ID=38961203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101818633A Expired - Fee Related CN101224364B (en) | 2006-10-19 | 2007-10-19 | Filter unit and filter unit panel |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7753981B2 (en) |
| EP (1) | EP1918010B1 (en) |
| KR (1) | KR20080035477A (en) |
| CN (1) | CN101224364B (en) |
| AT (1) | ATE452694T1 (en) |
| DE (1) | DE602007003932D1 (en) |
| TW (1) | TWI351980B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106794407A (en) * | 2014-09-11 | 2017-05-31 | 唐纳森公司 | Filter medium, medium pack assembly and method |
| CN107135648A (en) * | 2014-11-10 | 2017-09-05 | 唐纳森公司 | Filter medium, bag filter and filter cell with protuberance |
| CN108425773A (en) * | 2018-05-23 | 2018-08-21 | 南京世界村汽车动力有限公司 | A kind of air filter of automobile engine |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7833299B2 (en) * | 2005-02-03 | 2010-11-16 | Strionair, Inc. | Filters and filter assemblies with bypass seal |
| JP5107000B2 (en) * | 2007-11-16 | 2012-12-26 | 日東電工株式会社 | Filter unit panel and manufacturing method thereof |
| JP5106999B2 (en) * | 2007-11-16 | 2012-12-26 | 日東電工株式会社 | Filter unit panel |
| JP5036690B2 (en) * | 2007-11-16 | 2012-09-26 | 日東電工株式会社 | Air filter unit, air filter unit panel using the same, and method for manufacturing air filter unit |
| US8021454B2 (en) * | 2008-06-27 | 2011-09-20 | Kimberly-Clark Worldwide, Inc | Disposable air filter sub-assembly |
| US8241381B2 (en) * | 2008-06-27 | 2012-08-14 | Kimberly-Clark Worldwide, Inc. | Air filter with integral inter-filter gap filler |
| JP2012507392A (en) * | 2008-10-29 | 2012-03-29 | メックス・インコーポレイテッド | Small fiber layer mist removal device |
| WO2013040010A1 (en) * | 2011-09-14 | 2013-03-21 | 3M Innovative Properties Company | Filter frame assembly with seal |
| US10058809B2 (en) * | 2012-09-27 | 2018-08-28 | Environmental Management Confederation, Inc. | Air cleaner frame |
| JP2014113532A (en) * | 2012-12-07 | 2014-06-26 | Nitto Denko Corp | Filter medium and method for producing filter medium |
| US9028578B2 (en) | 2013-02-28 | 2015-05-12 | Bha Altair, Llc | Gas turbine inlet filter with replaceable media cartridges |
| DE102013105723A1 (en) * | 2013-06-04 | 2014-12-04 | Torsten Herrmann | Filter system and method for cleaning the intake air of a gas turbine |
| US10010892B2 (en) * | 2013-10-15 | 2018-07-03 | Yupo Corporation | Filter |
| JP6537709B2 (en) * | 2016-04-08 | 2019-07-03 | 三菱電機株式会社 | Air blower |
| USD914864S1 (en) * | 2018-02-23 | 2021-03-30 | Inner Eco Environmenta | Air filter |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB962540A (en) * | 1959-11-12 | 1964-07-01 | Maurice Davis | Improvements in or relating to air filters |
| US4009012A (en) * | 1975-10-20 | 1977-02-22 | Martin Heffler | Filter element retainer construction |
| US4233044A (en) * | 1976-05-13 | 1980-11-11 | Flanders Filters, Inc. | Self-cleaning fluid sealed air filter |
| US4639261A (en) * | 1984-02-29 | 1987-01-27 | Flanders Filters, Inc. | High efficiency air filter |
| DE19508534A1 (en) * | 1995-03-10 | 1996-09-12 | Mann & Hummel Filter | filter |
| US5797975A (en) * | 1996-10-30 | 1998-08-25 | Davis; R. Matt | Filter frame |
| SE512980C2 (en) * | 1998-10-22 | 2000-06-12 | Flaekt Ab | Filter device for air ducts or air handling units |
| US20030177745A1 (en) * | 2002-03-25 | 2003-09-25 | Jauw Tjoen Liang | Filter device securing mechanism for an air cleaner |
| JP2004060600A (en) * | 2002-07-31 | 2004-02-26 | Toyo Roki Mfg Co Ltd | Air cleaner |
| US20050022490A1 (en) * | 2003-07-30 | 2005-02-03 | Ruey-Fa Huang | Vehicle air cleaner |
| DE10336378A1 (en) | 2003-08-06 | 2005-03-03 | Behr Gmbh & Co. Kg | Air filters, in particular car cabin filters |
| CN1275675C (en) * | 2003-09-29 | 2006-09-20 | 北京亚都科技股份有限公司 | Antibiotic filter element and its manufacturing method |
| JP2005177641A (en) | 2003-12-19 | 2005-07-07 | Nitto Denko Corp | Air filter unit, its manufacturing method and its assembly |
| US7320720B2 (en) * | 2005-10-17 | 2008-01-22 | Kirk Ticknor | Interlocking filtration device |
-
2007
- 2007-10-18 KR KR1020070104794A patent/KR20080035477A/en not_active Application Discontinuation
- 2007-10-18 TW TW096138953A patent/TWI351980B/en not_active IP Right Cessation
- 2007-10-18 US US11/975,324 patent/US7753981B2/en not_active Expired - Fee Related
- 2007-10-19 EP EP07118904A patent/EP1918010B1/en not_active Not-in-force
- 2007-10-19 AT AT07118904T patent/ATE452694T1/en not_active IP Right Cessation
- 2007-10-19 CN CN2007101818633A patent/CN101224364B/en not_active Expired - Fee Related
- 2007-10-19 DE DE602007003932T patent/DE602007003932D1/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106794407A (en) * | 2014-09-11 | 2017-05-31 | 唐纳森公司 | Filter medium, medium pack assembly and method |
| CN106794407B (en) * | 2014-09-11 | 2020-10-16 | 唐纳森公司 | Filter media, media pack assembly, and method |
| CN112138473A (en) * | 2014-09-11 | 2020-12-29 | 唐纳森公司 | Filter media, media pack assembly, and method |
| CN107135648A (en) * | 2014-11-10 | 2017-09-05 | 唐纳森公司 | Filter medium, bag filter and filter cell with protuberance |
| CN107135648B (en) * | 2014-11-10 | 2021-03-05 | 唐纳森公司 | Filter medium with protrusions, filter pack and filter element |
| CN108425773A (en) * | 2018-05-23 | 2018-08-21 | 南京世界村汽车动力有限公司 | A kind of air filter of automobile engine |
Also Published As
| Publication number | Publication date |
|---|---|
| US7753981B2 (en) | 2010-07-13 |
| ATE452694T1 (en) | 2010-01-15 |
| EP1918010A1 (en) | 2008-05-07 |
| EP1918010B1 (en) | 2009-12-23 |
| CN101224364B (en) | 2012-07-18 |
| TW200833410A (en) | 2008-08-16 |
| TWI351980B (en) | 2011-11-11 |
| DE602007003932D1 (en) | 2010-02-04 |
| US20080105126A1 (en) | 2008-05-08 |
| KR20080035477A (en) | 2008-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101224364B (en) | Filter unit and filter unit panel | |
| JP2008119683A (en) | Filter unit and filter unit panel | |
| AU2008262432B2 (en) | Multiple layer filter media | |
| JP2009154150A (en) | Air filter | |
| CN104841204B (en) | Filter filtration material and its manufacture method and filter unit | |
| KR101864057B1 (en) | Nonwoven fabric, manufacturing method thereof and filters formed by it | |
| AU2008312987B2 (en) | Air filter and air filter assembly for cleaner made by using the filter | |
| JP2011025238A (en) | High performance gas turbine inlet filter (hepa) using membrane media | |
| KR20120086666A (en) | Multiple layer hepa filter and method of manufacture | |
| KR20070041364A (en) | Filter, filter media, and methods for making same | |
| JP2005177641A (en) | Air filter unit, its manufacturing method and its assembly | |
| CN105148618A (en) | Vacuum-cleaner filter bag | |
| CN107530647B (en) | Filter filtration material and filter unit | |
| CN107106952A (en) | Self-supporting can wrinkle web and the oil filter comprising it | |
| JP2005512781A (en) | Multi-layer composite filter element for in-line filtration | |
| JP2008055270A (en) | Filtrating medium for air filter, streamer-shaped filter using the same, and manufacturing method of filterating medium for air filter | |
| JP2009119419A (en) | Filter unit panel and method of manufacturing the same | |
| JP2008137009A (en) | Air filter unit and its manufacturing method, and air filter unit assembly | |
| JP2005279554A (en) | Air filter unit | |
| JP5431268B2 (en) | Filter unit panel | |
| TWM518119U (en) | Self-supporting electrostatic filter material and its filter | |
| CN106079759B (en) | Polyphenylene sulfide nanofiltration net and its Preparation equipment | |
| CN212790088U (en) | Carbon fiber filter element and water purification system | |
| CN219502225U (en) | Filter bag for bag filter and hot-press welding template for preparing same | |
| JP2011183339A (en) | Filter unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20141019 |
|
| EXPY | Termination of patent right or utility model |